18 11 015 Replacing sealing rings (M60, M62, M73)

If necessary, remove rear underbody protection and heat baffle plate from front axle support.

Detach exhaust system at exhaust manifolds.

Slide back exhaust system.

NOTE: Connections between exhaust manifolds and exhaust pipes and catalytic converter only have sealing rings fitted to inside pipes.

Without sealing ring (outer).
With sealing ring (inner).

Fig 1: Detaching Exhaust System At Exhaust Manifolds

Replace sealing ring.

Replace self locking nut and screws.

Coat thread with copper paste -CRC-, refer to BMW Parts Service.

Fig 2: Replacing Self Locking Nuts And Screws